31346 (1998 PB1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4295369353 ± 1.38e-08
Semi-major axis (a)2.0317058364 AU ± 3.90e-10
Inclination (i)5.96560714° ± 1.46e-06
Long. of Asc. Node (Ω)299.67971278° ± 1.18e-05
Arg. of Perihelion (ω)350.65365124° ± 1.18e-05
Mean Anomaly (M)164.42707883° ± 1.87e-06
Mean Motion (n)0.3403463002°/day ± 9.80e-11
Perihelion dist (q)1.15901314 AU ± 2.79e-08
Aphelion dist (Q)2.90439853 AU ± 2.80e-08
Orbital Period2.89595122 yr ± 8.34e-10
Physical Parameters
H (abs. magnitude)17.16
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.305″
Uncertainty0
Orbit TypeAmor
MOID0.141931 AU
Observations Used1028
Oppositions18
Arc Total1998-2026
First Observation Used1998-07-14
Last Observation Used2026-01-08
Observations (1111)
Date Type RA Dec Mag Band Observatory
2024-07-14 01:06:45 C 14 48 52.728 -25 19 52.32 V W68
2024-07-14 01:15:14 C 14 48 53.921 -25 19 49.12 V W68
2024-07-14 01:29:48 C 14 48 55.980 -25 19 43.82 V W68
2024-07-19 01:50:54 C 15 07 54.749 -24 36 08.93 V W68
2024-07-19 02:05:03 C 15 07 57.007 -24 36 03.42 V W68
2024-07-19 02:09:41 C 15 07 57.727 -24 36 01.33 V W68
2024-07-19 02:17:36 C 15 07 58.970 -24 35 58.27 V W68
2024-07-22 02:32:50 C 15 20 16.877 -24 07 43.43 V W68
2024-07-22 02:37:29 C 15 20 17.645 -24 07 41.41 V W68
2024-07-22 02:45:19 C 15 20 18.967 -24 07 38.14 V W68
2024-07-22 03:19:53 C 15 20 24.792 -24 07 22.66 V W68
2024-07-23 01:30:48 C 15 24 19.646 -23 58 22.44 V W68
2024-07-23 01:36:11 C 15 24 20.578 -23 58 19.85 V W68
2024-07-23 01:53:28 C 15 24 23.489 -23 58 12.29 V W68
2024-07-23 02:02:13 C 15 24 24.986 -23 58 08.65 V W68
2024-07-24 19:36:49 C 15 31 52.793 -23 40 37.24 V M22
2024-07-24 19:55:33 C 15 31 56.050 -23 40 28.85 V M22
2024-07-24 20:02:12 C 15 31 57.218 -23 40 25.64 V M22
2024-07-24 20:09:46 C 15 31 58.534 -23 40 22.22 V M22
2024-07-26 01:10:18 C 15 37 17.880 -23 27 45.32 V W68
2024-07-26 01:17:43 C 15 37 19.178 -23 27 41.94 V W68
2024-07-26 01:23:02 C 15 37 20.102 -23 27 39.35 V W68
2024-07-26 01:37:20 C 15 37 22.639 -23 27 32.98 V W68
2024-07-27 23:03:32 C 15 45 52.96 -23 06 57.5 834
2024-07-27 23:35:58 C 15 45 58.79 -23 06 42.9 834
2024-07-30 01:54:41 C 15 55 34.862 -22 42 52.70 V W68
2024-07-30 02:00:05 C 15 55 35.858 -22 42 49.90 V W68
2024-07-30 02:08:04 C 15 55 37.344 -22 42 45.97 V W68
2024-07-30 02:27:25 C 15 55 40.946 -22 42 35.96 V W68
2024-07-31 20:19:24 C 16 03 50.266 -22 21 51.16 V M22
2024-07-31 20:24:08 C 16 03 51.161 -22 21 48.71 V M22
2024-07-31 20:31:34 C 16 03 52.567 -22 21 44.96 V M22
2024-08-01 19:22:57 C 16 08 23.323 -22 10 07.18 V M22
2024-08-01 19:27:37 C 16 08 24.216 -22 10 04.58 V M22
2024-08-01 19:42:29 C 16 08 27.031 -22 09 56.77 V M22
2024-08-01 20:07:11 C 16 08 31.740 -22 09 43.56 V M22
2024-08-05 19:58:00 C 16 27 44.810 -21 18 18.14 V M22
2024-08-05 20:02:35 C 16 27 45.701 -21 18 15.62 V M22
2024-08-05 20:11:44 C 16 27 47.501 -21 18 10.33 V M22
2024-08-07 10:21:34 B 16 35 33.83 -20 56 36.5 q Q73
2024-08-07 10:29:31 B 16 35 35.38 -20 56 32.0 q Q73
2024-08-07 10:37:37 B 16 35 36.97 -20 56 27.3 q Q73
2024-08-08 02:34:34 C 16 38 51.919 -20 47 15.72 V W68
2024-08-08 02:39:10 C 16 38 52.822 -20 47 12.80 V W68
2024-08-08 02:47:01 C 16 38 54.389 -20 47 08.27 V W68
2024-08-08 03:14:10 C 16 38 59.782 -20 46 51.64 V W68
2024-08-11 01:28:30 C 16 53 24.826 -20 05 14.06 V W68
2024-08-11 02:01:47 C 16 53 31.423 -20 04 53.40 V W68
2024-08-11 02:29:19 C 16 53 36.871 -20 04 36.05 V W68
2024-08-11 02:48:34 C 16 53 40.716 -20 04 23.99 V W68